---
sidebar_label: BrowserLaunchArgumentOptions
---
# BrowserLaunchArgumentOptions interface
Launcher options that only apply to Chrome.
#### Signature:
```typescript
export interface BrowserLaunchArgumentOptions
```
## Properties
| Property | Modifiers | Type | Description | Default |
| ------------- | --------------------- | ------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------ |
| args | optional
| string\[\] | Additional command line arguments to pass to the browser instance. | |
| debuggingPort | optional
| number | Specify the debugging port number to use | |
| devtools | optional
| boolean | Whether to auto-open a DevTools panel for each tab. If this is set to true
, then headless
will be forced to false
. | false
|
| headless | optional
| boolean \| 'shell' | Whether to run the browser in headless mode. | true
|
| userDataDir | optional
| string | Path to a user data directory. [see the Chromium docs](https://chromium.googlesource.com/chromium/src/+/refs/heads/main/docs/user_data_dir.md) for more info. | |